Home / 38,589.62-53,231.37-22,670.78

Finding the Fourth Proportional to 38,589.62, 53,231.37 and 22,670.78

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Solution

The fourth proportional to 38,589.62, 53,231.37 and 22,670.78 is: 31,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.62 : 53,231.37 = 22,670.78 : x
  2. Step 2: Convert to fraction form
    38,589.62/53,231.37 = 22,670.78/x
  3. Step 3: Cross multiply
    38,589.62x = 53,231.37 × 22,670.78
  4. Step 4: Simplify right side
    38,589.62x = 1,206,796,678.37
  5. Step 5: Solve for x
    x = 1,206,796,678.37/38,589.62
  6. Step 6: Final answer
    x = 31,272.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.